Home / 13,521,396.77-18,644,437.27-9,792,853.77

Finding the Fourth Proportional to 13,521,396.77, 18,644,437.27 and 9,792,853.77

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Solution

The fourth proportional to 13,521,396.77, 18,644,437.27 and 9,792,853.77 is: 13,503,209.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,521,396.77 : 18,644,437.27 = 9,792,853.77 : x
  2. Step 2: Convert to fraction form
    13,521,396.77/18,644,437.27 = 9,792,853.77/x
  3. Step 3: Cross multiply
    13,521,396.77x = 18,644,437.27 × 9,792,853.77
  4. Step 4: Simplify right side
    13,521,396.77x = 182,582,247,857,447.44
  5. Step 5: Solve for x
    x = 182,582,247,857,447.44/13,521,396.77
  6. Step 6: Final answer
    x = 13,503,209.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.